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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-3088) LinuxContainerExecutor.deleteAsUser can throw NPE if native executor returns an error
Date Tue, 27 Jan 2015 10:45:37 GMT

    [ https://issues.apache.org/jira/browse/YARN-3088?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14293326#comment-14293326
] 

Hudson commented on YARN-3088:
------------------------------

FAILURE: Integrated in Hadoop-Yarn-trunk #820 (See [https://builds.apache.org/job/Hadoop-Yarn-trunk/820/])
YARN-3088. LinuxContainerExecutor.deleteAsUser can throw NPE if native executor returns an
error. Contributed by Eric Payne (jlowe: rev 902c6ea7e4d3b49e49d9ce51ae9d12694ecfcf89)
* hadoop-yarn-project/CHANGES.txt
* hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/java/org/apache/hadoop/yarn/server/nodemanager/LinuxContainerExecutor.java
* hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/test/java/org/apache/hadoop/yarn/server/nodemanager/TestLinuxContainerExecutorWithMocks.java


> LinuxContainerExecutor.deleteAsUser can throw NPE if native executor returns an error
> -------------------------------------------------------------------------------------
>
>                 Key: YARN-3088
>                 URL: https://issues.apache.org/jira/browse/YARN-3088
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: nodemanager
>    Affects Versions: 2.1.1-beta
>            Reporter: Jason Lowe
>            Assignee: Eric Payne
>             Fix For: 2.7.0
>
>         Attachments: YARN-3088.v1.txt
>
>
> If the native executor returns an error trying to delete a path as a particular user
when dir==null then the code can NPE trying to build a log message for the error.  It blindly
deferences dir in the log message despite the code just above explicitly handling the cases
when dir could be null.



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